/*
 * @Description: 合数
 * @Author: zzj
 * @Date: 2021-08-31 14:42:45
 * @LastEditors: zzj
 * @LastEditTime: 2021-09-01 18:29:50
 */

//合数
const readline = require('readline-sync')
var a = readline.question("please input one number:" )

function heshu(a){
    for (var i=1;i<=a;i++){
        b = a / i
        if(b % 2 ===1){
            continue;
        }
    }
}

heshu(a)